1. Department of Pediatric Oncology and Haematology, Oslo University Hospital, Oslo, Norway.
2. Institute of Clinical Medicine, University of Oslo, Oslo, Norway.
3. Oslo Centre for Biostatistics and Epidemiology, Oslo University Hospital, Oslo, Norway.
4. Department of Haematology, Oslo University Hospital, Oslo, Norway.
5. Department of Dermatology, and Oslo University Hospital, Oslo, Norway.
6. Department of Radiology, Oslo University Hospital, Oslo, Norway.
7. Department of Behavioural Medicine, Institute of Basic Medical Science, University of Oslo, Oslo, Norway.
8. Department of Respiratory Medicine, Oslo University Hospital, Oslo, Norway.
9. Department of Cardiology, Oslo University Hospital, Oslo, Norway.
10. Department of Ophthalmology, Oslo University Hospital, Oslo, Norway.
11. Department of Gynecology, Oslo University Hospital, Oslo, Norway.
12. Department of Oral Surgery and Oral Medicine, Faculty of Dentistry, University of Oslo, Oslo, Norway.